[clang] Reland "[OpenMP][TR12] change property of map-type modifier." (PR #90935)

[via cfe-commits]

jyu2-git wrote:

I don't really understand the problem.  So you mean static_cast<OpenMPMapClauseKind> having problem?

We have two function like this the other one is isMapModifier.  I just wonder why we don't have problem before.



https://github.com/llvm/llvm-project/pull/90935